| Tournament | Round | Carolyn Watt | John Hamilton |
| 05.04.2010 Aus Championship (SA) | 17 | 436 | 397 |
| 17.04.2017 National Championship (WA) | 3 | 385 | 405 |
| 17.04.2017 National Championship (WA) | 18 | 392 | 431 |
| Head-to-head after 3 games | 1 | 2 | |
| Average score | 404.33 | 411 | |
| Spread: | -20 | 20 | |